NOAA
Noaa: Our Restless Tides
This site provides an excellent explanation of the nature of tides and how they are formed. The one shortcoming is the use of the fictional "centrifugal force", but this is commonly misused in literature.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Work, Energy, and Power
The mathematical model for the relationships between work and energy serves to model physical problems and, more importantly, predict natural and man-made phenomena. Students discover the relationships which serve as a powerful...
Nine Planets
The Nine Planets: The Moon
Explore the mythology, structure, observational history, gravitational force, and orbit of Earth's Moon.
University of Colorado
University of Colorado: Physics 2000: Electromagnetic Waves
Using a student-teacher dialogue format, this page discusses the nature of light as an electromagnetic wave and the electromagnetic spectrum.
Thomson Reuters
Find Law: United States Constitution: Article Ii
Full text of Article II from the U.S. Constitution, as well as detailed annotations that explain the reasoning and subsequent impact of each clause and section of the Article. Content explores everything from the nature and scope of...
Georgia Department of Education
Ga Virtual Learning: Archetypes: Themes and Situations [Pdf]
This 24-page PDF presentation focuses on Archetypes including themes and situations. It includes the discussion of themes such as supernatural world, human relationships, forces of nature, and many more.
TeachEngineering
Teach Engineering: Evolving Tce Biodegraders
A hypothetical scenario is introduced in which the class is asked to apply their understanding of the forces that drive natural selection to prepare a proposal along with an environmental consulting company to help clean up an area near...
PBS
Pbs: Nature: Raptor Force: History of Falconry
A brief introduction to falconry in its historical context, which discusses its popularity in medieval Europe.
Georgia State University
Georgia State University: Hyper Physics: Gravity
Gravity as a fundamental force is explained and an equation for universal gravitation is given.
Scientific American
Scientific American: The Intricacies of a Gecko's Grip
This article, published by Scientific American (June 19, 2000), explores how geckos hang on vertical surfaces. They don't use glue, or suction, or even nature's version of Velcro. Instead, they utilize intermolecular forces "to get a...
PBS
Pbs: Nature: Raptor Vision Game
Gain 20/7 vision by becoming a raptor in this game! Help the Peregrine falcon find its prey in a river scene and see the difference between your vision and its vision!
CK-12 Foundation
Ck 12: Life Science: Succession
[Free Registration/Login may be required to access all resource tools.] Ecosystems are "dynamic." This means that ecosystems change over time. Both natural forces and human actions cause ecosystems to change. Learn more about succession...
Alabama Learning Exchange
Alex: The Earth's Changing Surface
During this unit, students will identify the various landforms found on the earth's surface. Also, students will describe how these landforms are created and changed by the natural forces within the earth and on its surface, as well as...
Physics Classroom
The Physics Classroom: Charge Interactions
This online tutorial teaches students about the nature of the electric force. In this part of Lesson 1, two simple and fundamental statements will be made and explained about the nature of the electric force.
Discovery Education
Discovery Education: Friction in Our Lives
Students observe objects in motion down a ramp to discover how the force of friction affects an object's motion. Includes the lesson plan, vocabulary list, and extensions for students.
CK-12 Foundation
Ck 12: Physics Simulation: Particle Tracks
[Free Registration/Login Required] Use this interactive simulation to understand how magnetic forces applied to charges in motion generate circular [centripetal) motion, and how the paths these particles leave provide insight into their...
Council for Economic Education
Econ Ed Link:i Don't Want Much, Just Want More: Allocation
This student version of an economics lesson plan focuses on allocation. For a lesson about how the rule of force motivates, check out this informative website.
University of Arizona
Pulse: Powerful Explorations of Health and Energy
A cross curricular unit where students simulate an energy task meeting to discuss protecting human health through energy policies. The unit covers content for twelfth grade in math, physics, language arts, and government. Topics reviewed...
ibiblio
Ibiblio: Hyper War: u.s. Army Campaigns of World War Ii: China Defensive
An official Defense Department account of the war in China from 1942 to early 1945. The war was mostly of a defensive nature (trying to hold off the Japanese).
Science Education Resource Center at Carleton College
Serc: Floating Metal Pins Discrepant Event/guided Inquiry on Surface Tension
Through a combination of an interactive demonstration and guided inquiry, students learn the basic nature of surface tension in liquids.
University of California
Understanding Science: Newton's 2nd Law: Inquiry Approach Lesson
For this lesson, students develop their own scientific experiment to test Newton's hypothesis that the acceleration of an object depends on the net force acting upon it and its mass. After completing their designed experiment, students...
TeachEngineering
Teach Engineering: Tsunami Attack!
Students learn about tsunamis, discovering what causes them and what makes them so dangerous. They learn that engineers design detection and warning equipment, as well as structures that that can survive the strong wave forces. In a...
Independence Hall Association
U.s. History: Irish and German Immigration
Read about the reasons thousands of Irish and Germans emigrated to the United States in the first half of the 19th century. Find out why there was a backlash to influx of so many immigrants, and learn about the Nativists who wanted to...
University of California
The Endless Debate: Immigration and u.s. Agriculture
This article describes the special treatment agriculture as received in order to retain an illegal and poorly compensated Mexican work force. Potential solutions are discussed.